Title V, SEC. 5104. UNIQUE IDENTIFIER NUMBERS. (a) In General. As part of the health information system, the Board shall establish a system to provide for a unique identifier number for each (1) eligible individual; (2) employer; (3) health plan; and (4) health care provider. (b) Impermissible Data Links. In establishing the system under subsection (a), the National Health Board shall ensure that a unique identifier number may not be used to connect individually identifiable health information (as defined in section 5123(3)) that is collected as part of the health information system or that otherwise may be accessed through the number with individually identifiable information from any other source, except in cases where the National Health Board determines that such connection is necessary to carry out a duty imposed on any individual or entity under this Act. (c) Permissible Uses of Identifier. The National Health Board shall by regulation establish the purposes for which a unique identifier number provided pursuant to this section may be used.